| CHINA APPLIED PSYCHOLOGY RESEARCH GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA APPLIED PSYCHOLOGY EDUCATION GROUP CO., LIMITED | Private company limited by shares | Live |
| ZhongKe Space-tec Applied Develop Group Limited | Private company limited by shares | Live |
| APPLIED TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| HANRICH APPLIED SOLUTIONS LIMITED | Private company limited by shares | Live |
| HEAT APPLIED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GREENWAY HERB APPLIED SCIENCE LIMITED | Private company limited by shares | Live |
| APPLIED INVESTMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| FUBANG APPLIED MATERIALS (HK) LIMITED | Private company limited by shares | Dissolved |
| Innovative Applied Materials (H.K.) Limited | | Live |
| KASTEN CHASE APPLIED RESEARCH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| APPLIED DATA TECHNOLOGIES (HK), LIMITED | Private company limited by shares | Dissolved |
| APPLIED TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Live |
| H.K. APPLIED TECHNOLOGY HOLDINGS LIMITED | Private company limited by shares | Live |
| KOKON APPLIED MICROELECTRONICS TECHNOLOGY (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| APPLIED SURFACE TECHNOLOGY (HK) COMPANY LIMITED | Private company limited by shares | Live |
| APPLIED INNOVATIONS (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| Applied Wine Holdings Company Limited | Private company limited by shares | Live |
| Hong Kong International Board Academy of Applied Capital Science Limited | Private company limited by shares | Live |
| APPLIED CHEMISTRY (HONG KONG) LIMITED | Private company limited by shares | Live |
| RONGKE NEW MATERIAL APPLIED (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Institute Of Applied Research On Infant And Adolescent Mental Health Co., Limited | | Live |
| HONG KONG COYEE APPLIED SCIENCE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HONG KONG BAPTIST UNIVERSITY MSC IN APPLIED ACCOUNTING AND FINANCE ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Live |
| Hong Kong Modern Agriculture Applied Science And Technology Research Group Limited | Private company limited by shares | Live |
| Hong Kong Society for Industrial and Applied Mathematics Limited | Company limited by guarantee | Live |
| CHT (HONG KONG) YIJING APPLIED JOINT RESEARCH INSTITUTE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Mathmatics and Physics Applied Research Institute Limited | | Live |
| HONG KONG APPLIED SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE COMPANY LIMITED | Private company limited by shares | Live |
| Hong Kong Applied Intelligent Technologies Limited | Private company limited by shares | Live |
| Applied Ceramics (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG (INTERNATIONAL) CIMS APPLIED ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| APPLIED COMPUTING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| APPLIED ELECTROLESS CONCEPTS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SOLAR APPLIED MATERIALS TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Ceased to exist as a separate entity |
| Applied Wine Hong Kong Limited | Private company limited by shares | Live |
| APPLIED MATERIALS HONG KONG LIMITED | Private company limited by shares | Live |
| APPLIED HONG KONG PROPERTIES LIMITED | Private company limited by shares | Live |
| HONG KONG COLLEGE OF APPLIED SCIENCE AND TECHNOLOGY LIMITED | | Live |
| APPLIED TECH SYSTEMS HONG KONG LIMITED | Private company limited by shares | Live |
| APPLIED VALUE HONG KONG LIMITED | Private company limited by shares | Live |
| APPLIED WEATHER TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONGKONG DDQ APPLIED MATERIALS CO., LIMITED | Private company limited by shares | Dissolved |
| HongKong Triumph Applied Materials Co., Limited | | Live |
| APPLIED SOFTWARE HONGKONG LIMITED | Private company limited by shares | Dissolved |
| HongKong Microwind Applied Instrument System Limited | Private company limited by shares | Live |
| APPLIED INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| APPLIED CHEMICALS INDUSTRIES HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| APPLIED PRECIOUS METAL INDUSTRIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| APPLIED INFORMATION DIGITAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| AEROSPACE (INT'L) APPLIED TECH RESEARCH INSTITUTE LIMITED | Private company limited by shares | Live |
| Asia Applied Psychology Institute Limited | Private company limited by shares | Live |
| HumanEnhancement Applied Technology Research Institute Limited | Private company limited by shares | Live |
| CHINA APPLIED SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE COMPANY LIMITED | Private company limited by shares | Live |
| CHINA LIGHTING APPLIED SCIENCE RESEARCH INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| APPLIED SCIENTIFIC INSTRUMENT (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| APPLIED INSTRUMENTATION LIMITED | Private company limited by shares | Live |
| Applied Artificial Intelligence Laboratory Limited | Private company limited by shares | Live |
| Applied International Limited | | Live |
| APPLIED ANTIBODY CENTRES INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| International Digital Asset Applied Limited | Private company limited by shares | Live |
| INTERNATIONAL APPLIED INTELLIGENCE CONSULTANCY LIMITED -THE- | Private company limited by shares | Dissolved |
| INTERNATIONAL APPLIED EDUCATION GROUP (ASIA) LIMITED | Private company limited by shares | Live |
| STANFORD APPLIED ENGINEERING INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| APPLIED INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Live |
| INTERNATIONAL APPLIED PSYCHOLOGY CERTIFICATION INSTITUTE LIMITED | Private company limited by shares | Dissolved |
| APPLIED MATERIAL INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Applied Material International Limited | Private company limited by shares | Live |
| ARKONIC APPLIED MATERIALS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| APPLIED INVESTMENT (ASIA) LIMITED | Private company limited by shares | Live |
| KEWELL APPLIED TECHNOLOGY LIMITED | Private company limited by shares | Live |
| APPLIED RESEARCH LABORATIES (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| Applied Laboratories Limited | Private company limited by shares | Live |
| Applied Blockchain & Crypto Labs Limited | Company limited by guarantee | Live |
| APPLIED MICROANALYSIS LABS LIMITED | Private company limited by shares | Dissolved |
| Master Link Applied Technology (HK) Company Limited | Private company limited by shares | Live |
| APPLIED MACHINERY LIMITED | Private company limited by shares | Dissolved |
| APPLIED MAINTENANCE LIMITED | Private company limited by shares | Dissolved |
| APPLIED PSYCHOLOGY AND RISK MANAGEMENT COMPANY LIMITED | | Live |
| RESEARCH AND APPLIED MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| APPLIED SECRETARIES MANAGEMENT LIMITED | Private company limited by shares | Live |
| Applied Talent Management Limited | Private company limited by shares | Live |
| Applied Mandarin Foundation Limited | Private company limited by shares | Live |
| APPLIED MARKETING/TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| NST APPLIED MATERIAL CO., LIMITED | Private company limited by shares | Live |
| ALLTEK APPLIED MATERIAL CO., LIMITED | Private company limited by shares | Live |
| K&J APPLIED MATERIAL TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| KFH Applied Materials Limited | Private company limited by shares | Live |
| Applied Materials Associates Company Limited | Private company limited by shares | Live |
| APPLIED MATERIALS CHINA, LIMITED | Private company limited by shares | Live |
| KeyDynamic Applied Materials Company Limited | Private company limited by shares | Live |
| PACK-TECH APPLIED MATERIALS CO. LIMITED | Private company limited by shares | Dissolved |
| SANTECH APPLIED MATERIALS LIMITED | Private company limited by shares | Live |
| Sekijwe Applied Materials Company Limited | Private company limited by shares | Live |
| Tong Seng Applied Materials Limited | Private company limited by shares | Dissolved |
| Tong Seng Applied Materials Limited | Private company limited by shares | Live |
| Applied Medical Hong Kong Limited | Private company limited by shares | Live |
| CHINA APPLIED NATION MEDICAL TECHNOLOGY HEALTH PROMOTION ASSOCIATION LIMITED | Private company limited by shares | Live |
| Applied Merit Limited | Private company limited by shares | Dissolved |
| APPLIED MICRO ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |